Fix reading TOC from zip archives with unsupported

compression.  We can't read the body, but we
shouldn't try to skip the body twice.

1 files changed, 6 insertions, 2 deletions

diff --git a/lib/libarchive/archive_read_support_format_zip.c b/lib/libarchive/archive_read_support_format_zip.c
index d7cd074..1ea19ab 100644
--- a/lib/libarchive/archive_read_support_format_zip.c
+++ b/lib/libarchive/archive_read_support_format_zip.c
@@ -564,8 +564,8 @@ archive_read_format_zip_read_data(struct archive_read *a,
 			 */
 			r = ARCHIVE_FATAL;
 		} else {
-			/* We know compressed size; just skip it. */
-			archive_read_format_zip_read_data_skip(a);
+			/* We can't decompress this entry, but we will
+			 * be able to skip() it and try the next entry. */
 			r = ARCHIVE_WARN;
 		}
 		break;
@@ -747,6 +747,10 @@ archive_read_format_zip_read_data_skip(struct archive_read *a)
 
 	zip = (struct zip *)(a->format->data);
 
+	/* If we've already read to end of data, we're done. */
+	if (zip->end_of_entry_cleanup)
+		return (ARCHIVE_OK);
+
 	/*
 	 * If the length is at the end, we have no choice but
 	 * to decompress all the data to find the end marker.